#include <windows.h> //suitable when using Windows 95/98/NT/2000/XP
#include <gl/Gl.h>
#include <gl/Glu.h>
#include <gl/glut.h>
//<<<<<<<<<<<<<<<<<<< axis >>>>>>>>>>>>>>
void axis(double length)
{ // draw a z-axis, with cone at end
glPushMatrix();
glBegin(GL_LINES);
glVertex3d(0, 0, 0); glVertex3d(0,0,length); // along the z-axis
glEnd();
glTranslated(0, 0,length -0.2);
glutWireCone(0.04, 0.2, 12, 9);
glPopMatrix();
}
//<<<<<<<<<<<<<<<<<<<<<<<<<<<<< displayWire >>>>>>>>>>>>>>>>>>>>>>
void displayWire(void)
{
glMatrixMode(GL_PROJECTION); // set the view volume shape
glLoadIdentity();
glOrtho(-2.0*64/48.0, 2.0*64/48.0, -2.0, 2.0, 0.1, 100);
glMatrixMode(GL_MODELVIEW); // position and aim the camera
glLoadIdentity();
gluLookAt(2.0, 2.0, 2.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT); // clear the screen
glColor3d(0,0,0); // draw black lines
axis(0.5); // x-axis
glPushMatrix();
glRotated(90, 0,1.0, 0);
axis(0.5); // y-axis
glRotated(-90.0, 1, 0, 0);
axis(0.5); // z-axis
glPopMatrix();
glPushMatrix();
glTranslated(0.5, 0.5, 0.5); // big cube at (0.5, 0.5, 0.5)
glutWireCube(1.0);
glPopMatrix();
glPushMatrix();
glTranslated(1.0,1.0,0); // sphere at (1,1,0)
glutWireSphere(0.25, 10, 8);
glPopMatrix();
glPushMatrix();
glTranslated(1.0,0,1.0); // cone at (1,0,1)
glutWireCone(0.2, 0.5, 10, 8);
glPopMatrix();
glPushMatrix();
glTranslated(1,1,1);
glutWireTeapot(0.2); // teapot at (1,1,1)
glPopMatrix();
glPushMatrix();
glTranslated(0, 1.0 ,0); // torus at (0,1,0)
glRotated(90.0, 1,0,0);
glutWireTorus(0.1, 0.3, 10,10);
glPopMatrix();
glPushMatrix();
glTranslated(1.0, 0 ,0); // dodecahedron at (1,0,0)
glScaled(0.15, 0.15, 0.15);
glutWireDodecahedron();
glPopMatrix();
glPushMatrix();
glTranslated(0, 1.0 ,1.0); // small cube at (0,1,1)
glutWireCube(0.25);
glPopMatrix();
glPushMatrix();
glTranslated(0, 0 ,1.0); // cylinder at (0,0,1)
GLUquadricObj * qobj;
qobj = gluNewQuadric();
gluQuadricDrawStyle(qobj,GLU_LINE);
gluCylinder(qobj, 0.2, 0.2, 0.4, 8,8);
glPopMatrix();
glFlush();
}
//<<<<<<<<<<<<<<<<<<<<<< main >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
void main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB );
glutInitWindowSize(640,480);
glutInitWindowPosition(100, 100);
glutCreateWindow("Transformation Test - wireframes");
glutDisplayFunc(displayWire);
glClearColor(1.0f, 1.0f, 1.0f,0.0f); // background is white
glViewport(0, 0, 640, 480);
glutMainLoop();
}